protected void btnDelete_Click(object sender, EventArgs e)
        {
            Contact contact = new Contact();
            int contactId = int.Parse(this.pContactId.InnerText);
            ArrayList validationErrors = new ArrayList(); // For referencial integrity

            contact.ContactId = contactId;
            contact.Delete(ref validationErrors);

            if (validationErrors.Count > 0)
            {
                // Do a backend code for validation errors
            }
            else
            {
                BackToList();
            }
        }